Release dates for old Sigma lenses

Started 1 month ago | Questions thread
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Chai46 Junior Member • Posts: 37
Release dates for old Sigma lenses

Hello, can anyone point me to some sources that provide the release dates for Sigma lenses? Namely the 70mm ex dg macro and the 180mm f3.5d macro.

 Chai46's gear list:Chai46's gear list
Sigma 70mm F2.8 EX DG Macro
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